Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / PropertyMapper.cs / 1 / PropertyMapper.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * PropertyMapper.cs * * Copyright (c) 1999 Microsoft Corporation */ namespace System.Web.UI { using System; using System.Collections; using System.Reflection; using System.Web.Util; using System.ComponentModel; internal sealed class PropertyMapper { private const char PERSIST_CHAR = '-'; private const char OM_CHAR = '.'; private const string STR_OM_CHAR = "."; /* * Maps persisted attribute names to the object model equivalents. * This class should not be instantiated by itself. */ private PropertyMapper() { } /* * Returns the PropertyInfo or FieldInfo corresponding to the * specified property name. */ internal static MemberInfo GetMemberInfo(Type ctrlType, string name, out string nameForCodeGen) { Type currentType = ctrlType; PropertyInfo propInfo = null; FieldInfo fieldInfo = null; string mappedName = MapNameToPropertyName(name); nameForCodeGen = null; int startIndex = 0; while (startIndex < mappedName.Length) { // parse thru dots of object model to locate PropertyInfo string propName; int index = mappedName.IndexOf(OM_CHAR, startIndex); if (index < 0) { propName = mappedName.Substring(startIndex); startIndex = mappedName.Length; } else { propName = mappedName.Substring(startIndex, index - startIndex); startIndex = index + 1; } BindingFlags flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.IgnoreCase; // try { propInfo = currentType.GetProperty(propName, flags); } catch (AmbiguousMatchException) { flags |= BindingFlags.DeclaredOnly; propInfo = currentType.GetProperty(propName, flags); } if (propInfo == null) { // could not find a public property, look for a public field fieldInfo = currentType.GetField(propName, flags); if (fieldInfo == null) { nameForCodeGen = null; break; } } propName = null; if (propInfo != null) { // found a public property currentType = propInfo.PropertyType; propName = propInfo.Name; } else { // found a public field currentType = fieldInfo.FieldType; propName = fieldInfo.Name; } // Throw if the type of not CLS-compliant (ASURT 83438) if (!IsTypeCLSCompliant(currentType)) { throw new HttpException(SR.GetString( SR.Property_Not_ClsCompliant, name, ctrlType.FullName, currentType.FullName)); } if (propName != null) { if (nameForCodeGen == null) nameForCodeGen = propName; else nameForCodeGen += STR_OM_CHAR + propName; } } if (propInfo != null) return propInfo; else return fieldInfo; } private static bool IsTypeCLSCompliant(Type type) { // We used to if ((type == typeof(SByte)) || (type == typeof(TypedReference)) || (type == typeof(UInt16)) || (type == typeof(UInt32)) || (type == typeof(UInt64)) || (type == typeof(UIntPtr))) { return false; } return true; } /* * Maps the specified persisted name to its object model equivalent. * The convention is to map all dashes to dots. * For example : Font-Size maps to Font.Size * HeaderStyle-Font-Name maps to HeaderStyle.Font.Name */ internal static string MapNameToPropertyName(string attrName) { return attrName.Replace(PERSIST_CHAR,OM_CHAR); } internal static object LocatePropertyObject(object obj, string mappedName, out string propertyName) { object currentObject = obj; Type currentType = obj.GetType(); propertyName = null; int index; int startIndex = 0; // step through the dots of the object model to extract the PropertyInfo // and object on which the property will be set while (startIndex < mappedName.Length) { index = mappedName.IndexOf(OM_CHAR, startIndex); // If we didn't find a separator, we're on the last piece if (index < 0) break; // There is a sub property, so get its info and iterate propertyName = mappedName.Substring(startIndex, index - startIndex); startIndex = index + 1; currentObject = FastPropertyAccessor.GetProperty(currentObject, propertyName); if (currentObject == null) return null; } // Avoid a useless call to Substring if possible if (startIndex > 0) propertyName = mappedName.Substring(startIndex); else propertyName = mappedName; return currentObject; } /* * Walks the object model using the mapped property name to get the * value of an instance's property. */ internal static PropertyDescriptor GetMappedPropertyDescriptor(object obj, string mappedName, out object childObject, out string propertyName) { childObject = LocatePropertyObject(obj, mappedName, out propertyName); if (childObject == null) return null; PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(childObject); return properties[propertyName]; } /* * Walks the object model using the mapped property name to set the * value of an instance's property. */ internal static void SetMappedPropertyValue(object obj, string mappedName, object value) { string propertyName; object childObj = LocatePropertyObject(obj, mappedName, out propertyName); if (childObj == null) return; FastPropertyAccessor.SetProperty(childObj, propertyName, value); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * PropertyMapper.cs * * Copyright (c) 1999 Microsoft Corporation */ namespace System.Web.UI { using System; using System.Collections; using System.Reflection; using System.Web.Util; using System.ComponentModel; internal sealed class PropertyMapper { private const char PERSIST_CHAR = '-'; private const char OM_CHAR = '.'; private const string STR_OM_CHAR = "."; /* * Maps persisted attribute names to the object model equivalents. * This class should not be instantiated by itself. */ private PropertyMapper() { } /* * Returns the PropertyInfo or FieldInfo corresponding to the * specified property name. */ internal static MemberInfo GetMemberInfo(Type ctrlType, string name, out string nameForCodeGen) { Type currentType = ctrlType; PropertyInfo propInfo = null; FieldInfo fieldInfo = null; string mappedName = MapNameToPropertyName(name); nameForCodeGen = null; int startIndex = 0; while (startIndex < mappedName.Length) { // parse thru dots of object model to locate PropertyInfo string propName; int index = mappedName.IndexOf(OM_CHAR, startIndex); if (index < 0) { propName = mappedName.Substring(startIndex); startIndex = mappedName.Length; } else { propName = mappedName.Substring(startIndex, index - startIndex); startIndex = index + 1; } BindingFlags flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.IgnoreCase; // try { propInfo = currentType.GetProperty(propName, flags); } catch (AmbiguousMatchException) { flags |= BindingFlags.DeclaredOnly; propInfo = currentType.GetProperty(propName, flags); } if (propInfo == null) { // could not find a public property, look for a public field fieldInfo = currentType.GetField(propName, flags); if (fieldInfo == null) { nameForCodeGen = null; break; } } propName = null; if (propInfo != null) { // found a public property currentType = propInfo.PropertyType; propName = propInfo.Name; } else { // found a public field currentType = fieldInfo.FieldType; propName = fieldInfo.Name; } // Throw if the type of not CLS-compliant (ASURT 83438) if (!IsTypeCLSCompliant(currentType)) { throw new HttpException(SR.GetString( SR.Property_Not_ClsCompliant, name, ctrlType.FullName, currentType.FullName)); } if (propName != null) { if (nameForCodeGen == null) nameForCodeGen = propName; else nameForCodeGen += STR_OM_CHAR + propName; } } if (propInfo != null) return propInfo; else return fieldInfo; } private static bool IsTypeCLSCompliant(Type type) { // We used to if ((type == typeof(SByte)) || (type == typeof(TypedReference)) || (type == typeof(UInt16)) || (type == typeof(UInt32)) || (type == typeof(UInt64)) || (type == typeof(UIntPtr))) { return false; } return true; } /* * Maps the specified persisted name to its object model equivalent. * The convention is to map all dashes to dots. * For example : Font-Size maps to Font.Size * HeaderStyle-Font-Name maps to HeaderStyle.Font.Name */ internal static string MapNameToPropertyName(string attrName) { return attrName.Replace(PERSIST_CHAR,OM_CHAR); } internal static object LocatePropertyObject(object obj, string mappedName, out string propertyName) { object currentObject = obj; Type currentType = obj.GetType(); propertyName = null; int index; int startIndex = 0; // step through the dots of the object model to extract the PropertyInfo // and object on which the property will be set while (startIndex < mappedName.Length) { index = mappedName.IndexOf(OM_CHAR, startIndex); // If we didn't find a separator, we're on the last piece if (index < 0) break; // There is a sub property, so get its info and iterate propertyName = mappedName.Substring(startIndex, index - startIndex); startIndex = index + 1; currentObject = FastPropertyAccessor.GetProperty(currentObject, propertyName); if (currentObject == null) return null; } // Avoid a useless call to Substring if possible if (startIndex > 0) propertyName = mappedName.Substring(startIndex); else propertyName = mappedName; return currentObject; } /* * Walks the object model using the mapped property name to get the * value of an instance's property. */ internal static PropertyDescriptor GetMappedPropertyDescriptor(object obj, string mappedName, out object childObject, out string propertyName) { childObject = LocatePropertyObject(obj, mappedName, out propertyName); if (childObject == null) return null; PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(childObject); return properties[propertyName]; } /* * Walks the object model using the mapped property name to set the * value of an instance's property. */ internal static void SetMappedPropertyValue(object obj, string mappedName, object value) { string propertyName; object childObj = LocatePropertyObject(obj, mappedName, out propertyName); if (childObj == null) return; FastPropertyAccessor.SetProperty(childObj, propertyName, value); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DescendantBaseQuery.cs
- FlowDocumentScrollViewer.cs
- RawStylusSystemGestureInputReport.cs
- ImageInfo.cs
- UnsafeNativeMethodsTablet.cs
- MatrixTransform3D.cs
- Errors.cs
- Size3D.cs
- CqlLexer.cs
- XhtmlTextWriter.cs
- CheckBoxAutomationPeer.cs
- ProviderSettingsCollection.cs
- UserInitiatedNavigationPermission.cs
- EventSinkHelperWriter.cs
- GridSplitterAutomationPeer.cs
- DelegateSerializationHolder.cs
- BStrWrapper.cs
- IIS7WorkerRequest.cs
- SortDescriptionCollection.cs
- TextTreePropertyUndoUnit.cs
- Symbol.cs
- StackBuilderSink.cs
- ValueTable.cs
- SqlTrackingQuery.cs
- ClusterSafeNativeMethods.cs
- DefaultValueMapping.cs
- SoapConverter.cs
- NamespaceInfo.cs
- ActivityTypeDesigner.xaml.cs
- XmlIgnoreAttribute.cs
- ActiveXContainer.cs
- ProxyGenerator.cs
- OleDbConnectionFactory.cs
- Number.cs
- CodeGen.cs
- ListMarkerLine.cs
- ActiveXHost.cs
- DrawListViewColumnHeaderEventArgs.cs
- xamlnodes.cs
- Stackframe.cs
- HtmlInputButton.cs
- VectorAnimationUsingKeyFrames.cs
- RuntimeConfigurationRecord.cs
- Error.cs
- Base64Encoder.cs
- GridViewColumnCollection.cs
- MediaSystem.cs
- QueryAccessibilityHelpEvent.cs
- XmlIlTypeHelper.cs
- ControlUtil.cs
- InvalidProgramException.cs
- SoapElementAttribute.cs
- WebPartUtil.cs
- BitmapMetadataEnumerator.cs
- ExecutedRoutedEventArgs.cs
- messageonlyhwndwrapper.cs
- TemplatedAdorner.cs
- WebServicesInteroperability.cs
- Buffer.cs
- OutputCacheSettingsSection.cs
- ExceptionHelpers.cs
- GlyphRunDrawing.cs
- VoiceChangeEventArgs.cs
- SourceItem.cs
- InstanceDataCollectionCollection.cs
- Keyboard.cs
- DataGridColumnHeaderCollection.cs
- RelOps.cs
- RegexCompiler.cs
- ServiceDocumentFormatter.cs
- UserControlCodeDomTreeGenerator.cs
- Deflater.cs
- OleDbConnection.cs
- SectionInput.cs
- DbXmlEnabledProviderManifest.cs
- Wildcard.cs
- CommentAction.cs
- Point3DValueSerializer.cs
- MapPathBasedVirtualPathProvider.cs
- DiagnosticTrace.cs
- Attachment.cs
- SelectManyQueryOperator.cs
- EncryptRequest.cs
- CustomErrorsSection.cs
- ObjRef.cs
- CompareInfo.cs
- MsmqTransportElement.cs
- FrameworkRichTextComposition.cs
- ControlTemplate.cs
- WindowHideOrCloseTracker.cs
- CleanUpVirtualizedItemEventArgs.cs
- CallInfo.cs
- ToolStripDropDown.cs
- UInt32Storage.cs
- IndexedGlyphRun.cs
- RecordManager.cs
- IntPtr.cs
- CounterSample.cs
- UiaCoreApi.cs
- SqlTypesSchemaImporter.cs